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Spoonwings or Nemopteridae are a family of neuropteran insects. They are also called thread-winged Antlions. They are found in the Ethiopian, Palearctic, Australasian and Neotropical regions but absent in North America (though a fossil has been found in Colorado).〔Grzimek's Animal Life Encyclopedia, 2nd edition. Volume 3, Insects, edited by Michael Hutchins, Arthur V. Evans, Rosser W. Garrison, and Neil Schlager. Farmington Hills, MI: Gale Group, 2003.〕 Their flight is delicate and they have a circling flight to avoid walls when they are trapped indoors. The long streamer is conspicuous when the insects are flying and these are the elongated and spatulate hindwings. Male Nemopterids have a bulla on the wing usually along the margin or wing base that is used to disperse pheromone.〔 ==Taxonomy== There are two distinct subfamilies in the Nemopteridae family: *Crocinae, mostly nocturnal and crepuscular species with often a narrow habitat preference. They are found in arid desert zones and have a wide distribution along the southern fringes of the west Palearctic and Western Asia, as well as in dry Neotropical, Afrotropical, and Australian areas. Includes the following genera: * *''Josandreva'' * *''Pterocroce *Nemopterinae, diurnal, with a greater diversity. Genera include: * *''Barbibucca'' * *''Lertha * *''Nemoptera'' * *''Nemopterella'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nemopteridae」の詳細全文を読む スポンサード リンク
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